<template>
  <view class="preview" v-if="currentInfo">
    <swiper circular :current="currentIndex" @change="swiperChange">
      <swiper-item v-for="(item,index) in classList" :key="item._id">
        <image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode=""></image>
      </swiper-item>
    </swiper>


    <view class="mask" v-show="maskState">
      
      <view class="goBack" @click="goBack" :style="{top:getStatusBarHeight() + 'px'}">
        <uni-icons type="back" color="#fff" size="20"></uni-icons>
      </view>
      
      <view class="count">{{currentIndex+1}} / {{classList.length}}</view>
      <view class="time">
        <uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
      </view>
      <view class="date">
        <uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
      </view>
      <view class="footer">
        <view class="box" @click="clickInfo">
          <uni-icons type="info" size="28"></uni-icons>
          <view class="text">信息</view>
        </view>
        <view class="box" @click="clickScore">
          <uni-icons type="star" size="28"></uni-icons>
          <view class="text">{{currentInfo.score}}分</view>
        </view>
        <view class="box" @click="clickDownload">
          <uni-icons type="download" size="25"></uni-icons>
          <view class="text">下载</view>
        </view>
      </view>
    </view>
    <uni-popup ref="infoPopup" type="bottom" :safe-area="false">
      <view class="infoPopup">
        <view class="popHeader">
          <view></view>
          <view class="title">壁纸信息</view>
          <view class="close" @click="clickInfoClose">
            <uni-icons type="closeempty" size="18" color="#999"></uni-icons>
          </view>
        </view>
        <scroll-view scroll-y>
          <view class="content">
            <view class="row">
              <view class="label">壁纸ID：</view>
              <text selectable class="vlaue">{{currentInfo._id}}</text>
            </view>

            <!-- <view class="row">
              <view class="label">分类：</view>
              <text class="value">明星美女</text>
            </view> -->

            <view class="row">
              <view class="label">发布者：</view>
              <text class="value">{{currentInfo.nickname}}</text>
            </view>

            <view class="row">
              <text class="label">评分：</text>
              <view class='value roteBox'>
                <uni-rate readonly touchable value="3" size="16" />
                <text class="score">{{currentInfo.score}}分</text>
              </view>
            </view>

            <view class="row">
              <text class="label">摘要：</text>
              <view class='value'>
                {{currentInfo.description}}
              </view>
            </view>

            <view class="row">
              <text class="label">标签：</text>
              <view class='value tabs'>
                <view class="tab" v-for="item in currentInfo.tabs" :key="item">{{item}}</view>
              </view>
            </view>

            <view class="copyright">
              声明：本图片来用户投稿，非商业使用，用于免费学习交流，如侵犯了您的权益，您可以拷贝壁纸ID举报至平台，邮箱513894357@qq.com，管理将删除侵权壁纸，维护您的权益。
            </view>

          </view>
        </scroll-view>

      </view>
    </uni-popup>

    <uni-popup ref="scorePopup" :is-mask-click="false">
      <view class="scorePopup">
        <view class="popHeader">
          <view></view>
          <view class="title">{{isScore?'评分过了':'壁纸评分'}}</view>
          <view class="close" @click="clickScoreClose">
            <uni-icons type="closeempty" size="18" color="#999"></uni-icons>
          </view>
        </view>

        <view class="content">
          <uni-rate v-model="userScore" allowHalf :disabled="isScore" disabled-color="#FFCA3C"></uni-rate>
          <text class="text">{{userScore}}分</text>
        </view>

        <view class="footer">
          <button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini" plain>确认评分</button>
        </view>

      </view>
    </uni-popup>
  </view>
</template>

<script setup>
  import {
    ref,
    reactive
  } from 'vue'
  import {
    getStatusBarHeight
  } from "@/utils/system.js"
  import {
    onLoad,
    onShareAppMessage,
    onShareTimeline
  } from '@dcloudio/uni-app'
  import {
    apiGetSetupScore,
    apiWriteDownload,
    apiDetailWall
  } from "@/api/apis.js"

  const maskState = ref(true);
  const infoPopup = ref(null);
  const scorePopup = ref(null);
  const userScore = ref(0);
  const classList = ref([]);
  const readImgs = ref([]);
  const currentId = ref(null);
  const currentIndex = ref(0);
  const currentInfo = ref({});
  const isScore = ref(false);

  const storgClassList = uni.getStorageSync("storgClassList") || [];

  // 生命周期
  // 分享给好友
  onShareAppMessage((e) => {
    return {
      title: "小张壁纸",
      path: "pages/preview/preview?id=" + currentId.value + "&type=share"
    }
  })

  // 分享朋友圈
  onShareTimeline(() => {
    return {
      title: "小张壁纸",
      query: "id=" + currentId.value + "&type=share"
    }
  })


  classList.value = storgClassList.map(item => {
    return {
      ...item,
      picurl: item.smallPicurl.replace("_small.webp", ".jpg")
    }
  })
  // console.log(classList.value)

  // 点击info弹窗
  function clickInfo() {
    infoPopup.value.open();
  }

  // 点击关闭信息弹窗
  function clickInfoClose() {
    infoPopup.value.close();
  }

  // 评分弹窗
  function clickScore() {
    if (currentInfo.value.userScore) {
      isScore.value = true
      userScore.value = currentInfo.value.userScore
    }
    scorePopup.value.open();
  }

  // 关闭评分框
  function clickScoreClose() {
    scorePopup.value.close();
    userScore.value = 0
    isScore.value = false
  }

  // 确认评分
  async function submitScore() {
    uni.showLoading({
      title: "加载中..."
    })
    // console.log(userScore.value)
    // console.log(currentInfo.value)
    let {
      classid,
      _id: wallId
    } = currentInfo.value
    let res = await apiGetSetupScore({
      classid,
      wallId,
      userScore: userScore.value
    })
    uni.hideLoading()
    if (res.errCode === 0) {
      uni.showToast({
        title: "评分成功",
        icon: "none"
      })
      classList.value[currentIndex.value].userScore = userScore.value
      uni.setStorageSync("storgClassList", classList.value)
    }
    clickScoreClose();
  }

  // 遮罩层状态显示
  function maskChange() {
    maskState.value = !maskState.value
  }

  // 返回上一页
  function goBack() {
    uni.navigateBack({
      success:() =>{
        
      },
      fail:(err)=>{
        uni.reLaunch({
          url:"/pages/index/index"
        })
      }
    })
  }

  async function clickDownload() {
    // #ifdef H5
    uni.showModal({
      content: "请长按保存壁纸",
      showCancel: false
    })
    // #endif

    // #ifndef H5
    try {

      uni.showLoading({
        title: "下载中...",
        mask: true
      })

      let {
        classid,
        _id: wallId
      } = currentInfo.value

      let res = await apiWriteDownload({
        classid,
        wallId
      })
      // console.log(res)
      if (res.errCode != 0) throw res;

      uni.getImageInfo({
        src: currentInfo.value.picurl,
        success: (res) => {
          uni.saveImageToPhotosAlbum({
            filePath: res.path,
            success: (res) => {
              uni.showToast({
                title: "保存成功，请到相册查看",
                icon: "none"
              })
            },
            fail: err => {
              if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
                uni.showToast({
                  title: "保存失败，请重新点击下载",
                  icon: "none"
                })
                return;
              }
              uni.showModal({
                title: "授权提示",
                content: "需要授权保存相册",
                success: res => {
                  if (res.confirm) {
                    uni.openSetting({
                      success: (setting) => {
                        console.log(setting)
                        if (setting.authsetting['scope.writePhotosAlbum']) {
                          uni.showToast({
                            title: "获取授权成功",
                            icon: "none"
                          })
                        } else {
                          uni.showToast({
                            title: "获取授权失败",
                            icon: "none"
                          })
                        }
                      }
                    })
                  }
                }
              })
            },
            complete: () => {
              uni.hideLoading()
            }
          })
        }
      })
    } catch (err) {
      console.log(err)
      uni.hideLoading()
    }
    // #endif
  }

  function readImgsFun() {
    readImgs.value.push(
      currentIndex.value <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
      currentIndex.value,
      currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
    )
    readImgs.value = [...new Set(readImgs.value)]
  }

  function swiperChange(e) {
    // console.log(e)
    currentIndex.value = e.detail.current
    currentInfo.value = classList.value[currentIndex.value]
    console.log(currentInfo.value)
    readImgsFun()
  }

  onLoad(async (e) => {
    currentId.value = e.id
    if (e.type == 'share') {
      let res = await apiDetailWall({
        id: currentId.value
      })
      classList.value = res.data.map(item => {
        return {
          ...item,
          picurl: item.smallPicurl.replace("_small.webp", ".jpg")
        }
      })
      // console.log(res)
    }
    currentIndex.value = classList.value.findIndex(item => {
      return item._id == currentId.value
    })
    currentInfo.value = classList.value[currentIndex.value]
    readImgsFun()
    // console.log(index)
  })
</script>

<style lang="scss" scoped>
  .preview {
    width: 100%;
    height: 100vh;

    swiper {
      width: 100%;
      height: 100%;

      image {
        width: 100%;
        height: 100%;
      }
    }

    .mask {
      &>view {
        position: absolute;
        left: 0;
        right: 0;
        margin: auto;
        color: #fff;
        width: fit-content;
      }

      .goBack {
        width: 38px;
        height: 38px;
        background: rgba(0, 0, 0, 0.5);
        left: 30rpx;
        margin-left: 0;
        border-radius: 100px;
        top: 0;
        backdrop-filter: blur(10rpx);
        border: 1rpx solid rgba(255, 255, 255, 0.3);
        display: flex;
        justify-content: center;
        align-items: center;
      }

      .count {
        top: 10vh;
        background: rgba(0, 0, 0, 0.3);
        font-size: 28rpx;
        border-radius: 40rpx;
        padding: 8rpx 28rpx;
        backdrop-filter: blur(10rpx);
      }

      .time {
        font-size: 140rpx;
        top: calc(10vh + 80rpx);
        font-weight: 140rpx;
        line-height: 1em;
        text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
      }

      .date {
        font-size: 34rpx;
        top: calc(10vh + 230rpx);
        text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
      }

      .footer {
        background: rgba(255, 255, 255, 0.8);
        bottom: 10vh;
        width: 65vw;
        height: 120rpx;
        border-radius: 120rpx;
        color: #000;
        display: flex;
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(20rpx);

        .box {
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          padding: 2rpx 12rpx;

          .text {
            font-size: 26rpx;
            color: $text-font-color-2;
          }
        }
      }
    }

    .popHeader {
      display: flex;
      justify-content: space-between;
      align-items: center;

      .title {
        color: $text-font-color-2;
        font-size: 26rpx;
      }

      .close {
        padding: 6rpx;
      }
    }

    .infoPopup {
      background: #fff;
      padding: 30rpx;
      border-radius: 30rpx 30rpx 0 0;
      overflow: hidden;



      scroll-view {
        max-height: 60%;

        .content {
          .row {
            display: flex;
            padding: 16rpx 0;
            font-size: 32rpx;
            line-height: 1.7em;

            .label {
              color: $text-font-color-3;
              width: 140rpx;
              text-align: right;
              font-size: 30rpx;
            }

            .value {
              flex: 1;
              width: 0;
            }

            .roteBox {
              display: flex;
              align-items: center;

              .score {
                font-size: 26rpx;
                color: $text-font-color-2;
                padding-left: 10rpx;
              }
            }

            .tabs {
              display: flex;
              flex-wrap: wrap;

              .tab {
                border: 1px solid $brand-theme-color;
                color: $brand-theme-color;
                font-size: 22rpx;
                padding: 10rpx 30rpx;
                border-radius: 40rpx;
                line-height: 1em;
                margin: 0 10rpx 10rpx 0;
              }
            }

            .class {
              color: $brand-theme-color;
            }
          }

          .copyright {
            font-size: 28rpx;
            padding: 20rpx;
            background: #F6F6F6;
            color: #666;
            border-radius: 10rpx;
            margin: 20rpx 0;
            line-height: 1.6em;
          }
        }
      }
    }

    .scorePopup {
      background: #fff;
      padding: 30rpx;
      width: 70vw;
      border-radius: 30rpx;

      .content {
        padding: 30rpx 0;
        display: flex;
        justify-content: center;
        align-items: center;

        .text {
          color: #FFCA3E;
          padding-left: 10rpx;
          width: 80rpx;
          line-height: 1em;
          text-align: right;
          font-size: 28rpx;
        }
      }


      .footer {
        padding: 10rpx 0;
        display: flex;
        align-items: center;
        justify-content: center;
      }

    }

  }
</style>